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Submission #915993

# Submission time Handle Problem Language Result Execution time Memory
915993 2024-01-25T05:39:52 Z chirathnirodha Longest Trip (IOI23_longesttrip) C++17
5 / 100
 1000 ms 1840 KB 
#include "longesttrip.h"
#include<bits/stdc++.h>
using namespace std;
#define PB push_back
#define MP make_pair
#define P push
#define I insert 
#define F first
#define S second
typedef long long ll;

vector<int> v[256];
int ans;

vector<int> t,curv;
bool visited[256];
void dfs(int x,int cur){
    curv.PB(x);
    visited[x]=true;

    if(ans<cur){
        t=curv;
        ans=cur;
    }

    for(int i=0;i<v[x].size();i++){
        int y=v[x][i];
        if(visited[y])continue;
        dfs(y,cur+1);
    }

    visited[x]=false;
    curv.pop_back();
}
vector<int> longest_trip(int n, int D){
    if(D==3){
        vector<int> tt;for(int i=0;i<n;i++)tt.PB(i);
        return tt;
    }
    memset(visited,false,sizeof(visited));
    for(int i=0;i<n;i++)v[i].clear();
    ans=0;

    for(int i=0;i<n;i++){
        for(int j=i+1;j<n;j++){
            if(are_connected({i},{j})){v[i].PB(j);v[j].PB(i);}
        }
    }
    for(int i=0;i<n;i++){
        dfs(i,1);
    }
    return t;
}

Compilation message

longesttrip.cpp: In function 'void dfs(int, int)':
longesttrip.cpp:26:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for(int i=0;i<v[x].size();i++){
      |                 ~^~~~~~~~~~~~

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Execution timed out 3068 ms 1840 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct

Subtask #2
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 344 KB Output is correct
2 Execution timed out 3051 ms 344 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #3
0.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Execution timed out 3063 ms 344 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 344 KB Output is correct
2 Execution timed out 3053 ms 344 KB Time limit exceeded
3 Halted 0 ms 0 KB -